On December 12, 2019, the Mexican Senate adopted the revised treaty by 107 votes to 1.  On April 3, 2020, Mexico announced its readiness to implement the agreement and joined Canada, although it requested that its auto industry have additional time to comply with the agreement.  Under the leadership of President Donald J. Trump, the United States renegotiated the North American Free Trade Agreement and replaced it with an updated and rebalanced agreement that works much better for North America, the U.S.-Mexico-Canada Agreement (USMCA), which came into effect on July 1, 2020. The USMCA is a mutually beneficial benefit to workers, farmers, farmers and businesses in North America. The agreement creates more balanced and reciprocal trade that supports high-paying jobs for Americans and cultivates the North American economy. On May 30, U.S. Trade Representative Robert E. Lighthizer presented Congress with a draft declaration on the administrative steps needed to implement the U.S.-Mexico Agreement (USMCA and the new NAFTA), in accordance with the 2015 Presidential Trade Promotion (TPA) Administrative Action Statement. The project will allow congress to be presented to Congress, after 30 days, on June 29, a law to implement the USMCA. In a letter  to Nancy Pelosi, House of Representatives spokeswoman Kevin McCarthy, the minority leader of the House of Representatives, the Republican, told Lighthizer that the USMCA was the gold standard in U.S. trade policy, modernizing the competitive trade in digital, intellectual property and services in the United States and creating a level playing field for U.S.
businesses. , workers and farmers, an agreement that represents a fundamental shift in trade relations between Mexico and Mexico. NAFTA has three primary dispute resolution mechanisms. Chapter 20 is the settlement mechanism for countries. It is often considered the least controversial of the three mechanisms, and has been maintained in its original form from NAFTA to the USMCA. In such cases, complaints filed by USMCA Member States against the duration of the contract would be violated.  In Chapter 19, the justifications for anti-dumping or countervailing duties are managed. Without Chapter 19, the avenue of recourse for the management of these policies would be through the national legal system.
Chapter 19 provides that an USMCA body hears the case and acts as an international commercial tribunal to arbitrate the dispute.  The Trump administration has attempted to remove Chapter 19 of the new USMCA text, which until now existed in the agreement. National procedures for ratifying the agreement in the United States are governed by the legislation of the Trade Promotion Authority, which is also known as the fast-track authority. On June 1, 2020, the USTR Office issued the uniform rules which are the last hurdle before the implementation of the agreement on July 1, 2020. To facilitate the strengthening of cross-border trade, the United States has reached an agreement with Mexico and Canada to increase the value of de minimis delivery. For the first time in decades, Canada will increase its de minimis level from $20 ($15.38) to $40 ($30.77) for taxes. Canada will also offer duty-free shipments of up to 150 $US ($115.38). Mexico will continue to provide $50 de minimis exemptions and will also offer duty-free shipments of up to $117. Shipping rates to this level would be achieved with minimum formal entry procedures, which would allow more businesses, particularly small and medium-sized enterprises, to be part of cross-border trade. Canada will also allow the importer to pay taxes 90 days after the importer enters.